<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>	
		<!-- 开发环境版本，包含了有帮助的命令行警告 -->
		<!-- <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script> -->
		<script src="js/vue.js"></script>
	</head>
	<body>
		{{msg}}
		<div id="app">
			{{msg}}
			{{age>18?"成年":"未成年"}}{{className[1]}}
		</div>
		{{msg}}
	</body>
	<script>
	var app=new Vue({
		el:"#app",
		data:{
			msg:"Hello World!!!!!!",
			age:18,
			className:["java","python","vue"]
		}
	})
	
	</script>
</html>
